Please help me. Please!!
2 answers:
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brainly.com/question/5027087
Let C, S and H be the diameters of cell, sand and hair
Diameter of a cell:
Diameter of a grain of sand:
Part A:
meters, because it takes 5 movements right of the decimal dot, until there is only one digit to its left.
Part B:
we are comparing
to 
,
thus S is 20 times larger than C
Part C
thus,
Part D.
thus 300 nm are written in meters as follows:
Let C, S and H be the diameters of cell, sand and hair
Diameter of a cell:
Diameter of a grain of sand:
Part A:
Part B:
we are comparing
thus S is 20 times larger than C
Part C
thus,
Part D.
thus 300 nm are written in meters as follows:
Check the pictures below.
if we knew the roots/solutions of the equation, we can set h(s) = 0 and solve for "s" to find out how many seconds is it when the height is 0.
if you notice in the first picture, when f(x) = 0, is when the parabola hits a root/solution or the ground, for David he'll be hitting the water surface, and the equation that has both of those roots/solutions conspicuous is
h(s) = -4.9(s - 2)(s + 1).
